Pew: Here’s How Badly Soviet Atheism Failed in Europe — “The comeback of religion in a region once dominated by atheist regimes is striking,” states Pew in its latest report. Today, only 14 percent of the region’s population identify as atheists, agnostics, or “nones,” reports the Pew Research Center on the surge of Christianity in Europe around the fallen Iron Curtain roughly 25 years after the collapse of the Soviet Union.